Granted Patent
Utility
US 4,900,792 · App. 07/285,674
Crosslinkable polyethylene composition
Inventors:
Shu-Ping Chen, Theodore R. Engelmann, Harold D. Oltmann
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Dec 16, 1988
Inventors
Shu-Ping Chen
Theodore R. Engelmann
Harold D. Oltmann
Assignee (at issue)
AlliedSignal, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.